The climate in Blagoevgrad during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Blagoevgrad and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (74°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 23.6°C 74.4°F |
|---|---|
| Nightly temperature | 11.5°C 52.6°F |
| Average temperature | 17.5°C 63.5°F |
| Daily sunshine | 8.7 hrs |
| Avg rainfall | 39 mm 1.5 ins |
| Rainy days | 5 days |
| Sea temperature | 22.9°C 73.3°F |
| Humidity | 63% |
| Windspeed | 7.9kph 5 mph |
On average September is the 4th driest month of the year in Blagoevgrad with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Blagoevgrad in September 2025.
Best places to visit in September
| Hottest month: | July | 26.9°C 80.4°F |
|---|---|---|
| Driest month: | October | 36mm 1.4ins |
| Sunniest month: | August | 10.3hrs |
| Coldest month: | January | 2.2°C 36°F |
| Wettest month: | May | 67mm 2.6ins |